Need derivatives for function:
a) f(x)= ln(e^-x + 1/x)
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Use the chain rule. Here is little help to begin with:
Now just find .
So it would be = ???
Originally Posted by Stud778 So it would be = ??? Your LaTeX needs work, but that looks right to me.
Something is wrong, because the correct answer is
a Originally Posted by shenanigans87 Something is wrong, because the correct answer is
This argument follows a lot easier if you read it backwards, though.
I kind of like that simplification, though.
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